River Clwyd
E321317
River Clwyd is a river in northeast Wales that flows through Denbighshire to the Irish Sea near Rhyl.
All labels observed (4)
| Label | Occurrences |
|---|---|
| River Clwyd canonical | 16 |
| River Clwyd (nearby) | 1 |
| River Clwyd basin | 1 |
| River Clwyd valley | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2421820 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: River Clwyd Context triple: [Denbighshire, traversedBy, River Clwyd]
-
A.
River Dyfi
The River Dyfi is a river in mid Wales that flows from the Cambrian Mountains to Cardigan Bay, forming part of the boundary between the historic counties of Montgomeryshire and Merionethshire.
-
B.
River Conwy
River Conwy is a river in north Wales known for flowing past the historic town of Conwy and its prominent medieval Conwy Castle.
-
C.
River Ystwyth
River Ystwyth is a river in west Wales that flows through Ceredigion to the coastal town of Aberystwyth, where it meets the sea.
-
D.
River Rheidol
The River Rheidol is a river in Ceredigion, Wales, known for flowing through steep wooded valleys to the coastal town of Aberystwyth and lending its name to the historic Vale of Rheidol Railway.
-
E.
River Cynon
River Cynon is a river in South Wales that flows through the Cynon Valley and contributes to the region’s industrial and cultural identity.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: River Clwyd Target entity description: River Clwyd is a river in northeast Wales that flows through Denbighshire to the Irish Sea near Rhyl.
-
A.
River Dyfi
The River Dyfi is a river in mid Wales that flows from the Cambrian Mountains to Cardigan Bay, forming part of the boundary between the historic counties of Montgomeryshire and Merionethshire.
-
B.
River Conwy
River Conwy is a river in north Wales known for flowing past the historic town of Conwy and its prominent medieval Conwy Castle.
-
C.
River Ystwyth
River Ystwyth is a river in west Wales that flows through Ceredigion to the coastal town of Aberystwyth, where it meets the sea.
-
D.
River Rheidol
The River Rheidol is a river in Ceredigion, Wales, known for flowing through steep wooded valleys to the coastal town of Aberystwyth and lending its name to the historic Vale of Rheidol Railway.
-
E.
River Cynon
River Cynon is a river in South Wales that flows through the Cynon Valley and contributes to the region’s industrial and cultural identity.
- F. None of above. chosen
Statements (16)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Wales ⓘ |
| country | Wales ⓘ |
| dischargesInto | Irish Sea ⓘ |
| flowsNorthwardsTo | Irish Sea ⓘ |
| flowsThrough | Denbighshire ⓘ |
| hasMouthNear | Rhyl ⓘ |
| locatedIn |
County of Denbighshire
ⓘ
linked to:
Denbighshire
United Kingdom ⓘ northeast Wales ⓘ |
| locatedOnContinent | Europe ⓘ |
| mouth | Irish Sea ⓘ |
| mouthLocation | near Rhyl ⓘ |
| partOf | Welsh river system ⓘ |
| region | Denbighshire ⓘ |
| watercourseType | river in Wales ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: River Clwyd Description of subject: River Clwyd is a river in northeast Wales that flows through Denbighshire to the Irish Sea near Rhyl.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: River Clwyd
linked to: River Clwyd